Section T-1, Shiroiwa River: Hauterivian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Osteichthyes
- Dinosauria
|
|||||||
| 2 specimens | |||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Toyama | County: | Tateyama |
| Coordinates: | 36.6° North, 137.4° East (view map) | ||||
| Paleocoordinates: | 47.4° North, 143.2° East (Wright 2013) | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Hauterivian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Hauterivian | ||
| Age range of interval: | 132.6 - 125.77 m.y. ago |
Stratigraphy
| Geological group: | Tetori | Formation: | Shiroiwagawa | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: 2 footprint-bearing levels | |||||
Lithology and environment
| Primary lithology: | paleosol/pedogenic,concretionary,gray mudstone |
| Secondary lithology: | fine sandstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: footprints between light gray mudstone with pedogenic nodules and fine sandstone | |
| Environment: | "floodplain" |
| Geology comments: "gravel-bed river with high stability channels" but pedogenic sediments forms in floodplain | |
Taphonomy
| Modes of preservation: | trace |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Preservation of anatomical detail: | medium |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 98321 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2010-09-30 13:17:38 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2010-09-30 13:17:38 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 33965. | ETE | J. Shigeno, K. Fujita, Y. Azuma, M. Goto, A. Kano, M. Jige, M. Shibata and T. Kawai. 2004. [Paleoenvironment of the Akaiwa Subgroup of the Tetori Group based on pedogenic sediments and sedimentary facies in the Kamiichi and Tateyama area, Toyama Prefecture]. Memoir of the Fukui Prefectural Dinosaur Museum 3:1-22 [M. Carrano/M. Carrano] |